:root {
    --primary: #2c3e50; /* Charcoal */
    --accent: #2980b9;  /* Safety Blue */
    --light: #f4f7f6;
    --white: #ffffff;
}

body { font-family: 'Inter', sans-serif; margin: 0; color: #333; background: var(--light); scroll-behavior: smooth; }

nav { display: flex; justify-content: space-between; align-items: center; padding: 15px 5%; background: var(--primary); color: white; position: sticky; top: 0; z-index: 1000; }
.logo { font-size: 1.5rem; font-weight: bold; }
.logo span { color: var(--accent); }
.nav-links { display: flex; list-style: none; }
.nav-links li { margin-left: 20px; }
.nav-links a { color: white; text-decoration: none; font-weight: 500; }

.hero { height: 70vh; background: linear-gradient(rgba(44, 62, 80, 0.8), rgba(44, 62, 80, 0.8)), url('https://images.unsplash.com/photo-1558346490-a72e53ae2d4f?auto=format&fit=crop&q=80&w=1000') center/cover; color: white; display: flex; align-items: center; text-align: center; padding: 0 10%; }
.btn { background: var(--accent); color: white; padding: 12px 30px; border: none; border-radius: 5px; cursor: pointer; text-decoration: none; display: inline-block; margin-top: 20px; }

.stats { display: flex; justify-content: space-around; padding: 50px 5%; background: var(--white); text-align: center; }
.stat-card i { font-size: 2.5rem; color: var(--accent); margin-bottom: 10px; }

.products { padding: 50px 5%; text-align: center; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 30px; }
.p-card { background: white; padding: 30px; border-radius: 10px; box-shadow: 0 4px 6px rgba(0,0,0,0.05); }

.contact { padding: 50px 5%; background: var(--primary); color: white; text-align: center; }
form { max-width: 600px; margin: 30px auto; display: flex; flex-direction: column; gap: 15px; }
input, textarea { padding: 12px; border-radius: 5px; border: none; font-size: 1rem; }
textarea { height: 120px; }

footer { padding: 40px 5%; background: #1a252f; color: #bdc3c7; text-align: center; border-top: 1px solid #34495e; }
.legal-links a { color: var(--accent); text-decoration: none; margin: 0 10px; font-size: 0.9rem; }

/* Mobile optimization */
@media (max-width: 768px) {
    .nav-links { display: none; } /* Simplified for app-feel */
}